package test2;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandler.Sharable;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.CharsetUtil;

@SuppressWarnings("deprecation")
@Sharable
public class EchoServerHandler extends ChannelInboundHandlerAdapter{

	@Override
	public void channelRead(ChannelHandlerContext ctx,Object msg){
		ByteBuf in = (ByteBuf)msg;
		System.out.println("Server received:"+in.toString(CharsetUtil.UTF_8));
		ctx.write(in);		
	}
	
	@Override
	public void channelReadComplete(ChannelHandlerContext ctx){
		ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
	}
	
	@Override
	public void exceptionCaught(ChannelHandlerContext ctx,Throwable cause){
		cause.printStackTrace();
		ctx.close();
	}
	
}
